/Engine/Source/Runtime/AIModule/Classes/Navigation/NavLocalGridData.h
Convert PathIndices into pruned PathCoords
void PostProcessPath ( const FIntVector & StartCoords, const FIntVector & EndCoords, const [TArray](API\Runtime\Core\Containers\TArray)< int32 > & PathIndices, [TArray](API\Runtime\Core\Containers\TArray)< FIntVector > & PathCoords ) const